Drug coverage
Copayment
Your fixed share of a prescription cost at the pharmacy after the plan pays its portion.
Benefits glossary
Canadian benefits glossary
Government benefits, tax, disability and drug-coverage terms explained in plain language.
Definitions are educational. Official program rules still apply.
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Cost sharing (drug plans)
The combination of deductibles, copayments, and premiums you pay while the plan pays the rest.
Understanding your share helps budget for chronic medications.
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Sources and methodology
Definitions explain common government and program language in plain words. They are starting points for understanding, not legal advice or official eligibility decisions. Confirm important details with the official program, CRA, Service Canada, or a qualified professional.
Glossary reviewed September 13, 2026